Supplemental Guarantor Information - Unaudited Consolidating Balance Sheet Information (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2013
ASSETS
Cash and cash equivalents	$ 128,752	$ 324,154	$ 206,482	$ 504,459
Restricted cash	37,811	62,941
Accounts receivable (net of allowance of $1,292 and $1,245, respectively)	44,882	34,429
Income tax receivable	262	46
Owned inventory	1,822,090	1,557,496
Consolidated inventory not owned	0	3,857
Investments in unconsolidated entities and marketable securities	11,407	38,341
Deferred tax assets, net	46	2,823
Property and equipment, net	22,683	18,673
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	22,239	23,460
Total assets	2,090,172	2,066,220
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	127,063	106,237
Other liabilities	136,292	142,516
Intercompany	0	0
Obligations related to land not owned under option agreements	0	2,916
Total debt (net of discounts of $3,829 and $4,399, respectively)	1,554,207	1,535,433
Total liabilities	1,817,562	1,787,102
Stockholders’ equity	272,610	279,118
Total liabilities and stockholders’ equity	2,090,172	2,066,220
Beazer Homes USA, Inc.
ASSETS
Cash and cash equivalents	112,142	301,980	200,696	499,341
Restricted cash	36,221	61,945
Accounts receivable (net of allowance of $1,292 and $1,245, respectively)	0	0
Income tax receivable	262	46
Owned inventory	0	0
Consolidated inventory not owned		0
Investments in unconsolidated entities and marketable securities	773	773
Deferred tax assets, net	46	2,823
Property and equipment, net	0	0
Investments in subsidiaries	275,514	253,540
Intercompany	1,385,184	1,195,349
Other assets	13,643	17,226
Total assets	1,823,785	1,833,682
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	0	0
Other liabilities	20,758	38,871
Intercompany	0	2,405
Obligations related to land not owned under option agreements		0
Total debt (net of discounts of $3,829 and $4,399, respectively)	1,530,417	1,513,288
Total liabilities	1,551,175	1,554,564
Stockholders’ equity	272,610	279,118
Total liabilities and stockholders’ equity	1,823,785	1,833,682
Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	17,881	22,034	9,223	6,324
Restricted cash	1,590	996
Accounts receivable (net of allowance of $1,292 and $1,245, respectively)	44,878	34,428
Income tax receivable	0	0
Owned inventory	1,822,090	1,557,496
Consolidated inventory not owned		3,857
Investments in unconsolidated entities and marketable securities	10,634	37,568
Deferred tax assets, net	0	0
Property and equipment, net	22,683	18,673
Investments in subsidiaries	0	0
Intercompany	0	0
Other assets	8,506	6,144
Total assets	1,928,262	1,681,196
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	127,063	106,237
Other liabilities	114,924	102,833
Intercompany	1,389,806	1,196,823
Obligations related to land not owned under option agreements		2,916
Total debt (net of discounts of $3,829 and $4,399, respectively)	23,790	22,145
Total liabilities	1,655,583	1,430,954
Stockholders’ equity	272,679	250,242
Total liabilities and stockholders’ equity	1,928,262	1,681,196
Non-Guarantor Subsidiaries
ASSETS
Cash and cash equivalents	970	1,614	1,640	1,637
Restricted cash	0	0
Accounts receivable (net of allowance of $1,292 and $1,245, respectively)	4	1
Income tax receivable	0	0
Owned inventory	0	0
Consolidated inventory not owned		0
Investments in unconsolidated entities and marketable securities	0	0
Deferred tax assets, net	0	0
Property and equipment, net	0	0
Investments in subsidiaries	0	0
Intercompany	2,381	2,405
Other assets	90	90
Total assets	3,445	4,110
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	0	0
Other liabilities	610	812
Intercompany	0	0
Obligations related to land not owned under option agreements		0
Total debt (net of discounts of $3,829 and $4,399, respectively)	0	0
Total liabilities	610	812
Stockholders’ equity	2,835	3,298
Total liabilities and stockholders’ equity	3,445	4,110
Consolidating Adjustments
ASSETS
Cash and cash equivalents	(2,241)	(1,474)	$ (5,077)	$ (2,843)
Restricted cash	0	0
Accounts receivable (net of allowance of $1,292 and $1,245, respectively)	0	0
Income tax receivable	0	0
Owned inventory	0	0
Consolidated inventory not owned		0
Investments in unconsolidated entities and marketable securities	0	0
Deferred tax assets, net	0	0
Property and equipment, net	0	0
Investments in subsidiaries	(275,514)	(253,540)
Intercompany	(1,387,565)	(1,197,754)
Other assets	0	0
Total assets	(1,665,320)	(1,452,768)
LIABILITIES AND STOCKHOLDERS’ EQUITY
Trade accounts payable	0	0
Other liabilities	0	0
Intercompany	(1,389,806)	(1,199,228)
Obligations related to land not owned under option agreements		0
Total debt (net of discounts of $3,829 and $4,399, respectively)	0	0
Total liabilities	(1,389,806)	(1,199,228)
Stockholders’ equity	(275,514)	(253,540)
Total liabilities and stockholders’ equity	$ (1,665,320)	$ (1,452,768)